Finding the Fourth Proportional to 6,372,956,513.70, 9,559,434,770.55 and 3,617,966,369.70
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Solution
The fourth proportional to 6,372,956,513.70, 9,559,434,770.55 and 3,617,966,369.70 is: 5,426,949,554.55
Step by Step Solution
- Step 1: Write the proportion equation
6,372,956,513.70 : 9,559,434,770.55 = 3,617,966,369.70 : x - Step 2: Convert to fraction form
6,372,956,513.70/9,559,434,770.55 = 3,617,966,369.70/x - Step 3: Cross multiply
6,372,956,513.70x = 9,559,434,770.55 × 3,617,966,369.70 - Step 4: Simplify right side
6,372,956,513.70x = 34,585,713,513,190,731,776 - Step 5: Solve for x
x = 34,585,713,513,190,731,776/6,372,956,513.70 - Step 6: Final answer
x = 5,426,949,554.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.